EESchema Schematic File Version 4 EELAYER 30 0 EELAYER END $Descr A4 11693 8268 encoding utf-8 Sheet 1 1 Title "AVR BitBang Programmer" Date "2021-11-19" Rev "" Comp "SweProj.com" Comment1 "" Comment2 "" Comment3 "" Comment4 "" $EndDescr $Comp L arduinoisp_mega2560:Arduino_Mega2560_Shield XA1 U 1 1 6163170E P 5650 3700 F 0 "XA1" H 5650 1319 60 0000 C CNN F 1 "Arduino_Mega2560_Shield" H 5650 1213 60 0000 C CNN F 2 "arduinoisp_mega2560:Arduino_Mega2560_Shield" H 6350 6450 60 0001 C CNN F 3 "" H 6350 6450 60 0001 C CNN 1 5650 3700 1 0 0 -1 $EndComp $Comp L Connector_Generic:Conn_02x03_Odd_Even J1 U 1 1 61636871 P 8700 2600 F 0 "J1" H 8750 2917 50 0000 C CNN F 1 "Conn_02x03_Odd_Even" H 8750 2826 50 0000 C CNN F 2 "Connector_IDC:IDC-Header_2x03_P2.54mm_Vertical" H 8700 2600 50 0001 C CNN F 3 "~" H 8700 2600 50 0001 C CNN 1 8700 2600 1 0 0 -1 $EndComp Text Label 8400 2500 2 50 ~ 0 MISO Text Label 8400 2600 2 50 ~ 0 SCK Text Label 8400 2700 2 50 ~ 0 RST Text Label 9100 2600 0 50 ~ 0 MOSI $Comp L power:+5V #PWR0101 U 1 1 616394DA P 9400 2250 F 0 "#PWR0101" H 9400 2100 50 0001 C CNN F 1 "+5V" H 9415 2423 50 0000 C CNN F 2 "" H 9400 2250 50 0001 C CNN F 3 "" H 9400 2250 50 0001 C CNN 1 9400 2250 1 0 0 -1 $EndComp Wire Wire Line 9000 2500 9400 2500 Wire Wire Line 9400 2500 9400 2250 Wire Wire Line 9000 2600 9100 2600 Wire Wire Line 8400 2500 8500 2500 Wire Wire Line 8400 2600 8500 2600 Wire Wire Line 8400 2700 8500 2700 Text Label 7050 2350 0 50 ~ 0 RST Wire Wire Line 6950 2350 7050 2350 Text Label 7100 5550 0 50 ~ 0 MISO Text Label 7100 5650 0 50 ~ 0 MOSI Text Label 7100 5750 0 50 ~ 0 SCK $Comp L power:GND #PWR0102 U 1 1 6163CA3D P 9400 2800 F 0 "#PWR0102" H 9400 2550 50 0001 C CNN F 1 "GND" H 9405 2627 50 0000 C CNN F 2 "" H 9400 2800 50 0001 C CNN F 3 "" H 9400 2800 50 0001 C CNN 1 9400 2800 1 0 0 -1 $EndComp Wire Wire Line 9000 2700 9400 2700 Wire Wire Line 9400 2700 9400 2800 $Comp L power:+5V #PWR0103 U 1 1 6163E2E8 P 3900 5400 F 0 "#PWR0103" H 3900 5250 50 0001 C CNN F 1 "+5V" H 3915 5573 50 0000 C CNN F 2 "" H 3900 5400 50 0001 C CNN F 3 "" H 3900 5400 50 0001 C CNN 1 3900 5400 1 0 0 -1 $EndComp Wire Wire Line 3900 5400 3900 5550 Wire Wire Line 3900 5550 4350 5550 Wire Wire Line 3900 5550 3900 5650 Wire Wire Line 3900 5650 4350 5650 Connection ~ 3900 5550 Wire Wire Line 3900 5650 3900 5750 Wire Wire Line 3900 5750 4350 5750 Connection ~ 3900 5650 $Comp L power:GND #PWR0104 U 1 1 6164037D P 3550 5050 F 0 "#PWR0104" H 3550 4800 50 0001 C CNN F 1 "GND" H 3555 4877 50 0000 C CNN F 2 "" H 3550 5050 50 0001 C CNN F 3 "" H 3550 5050 50 0001 C CNN 1 3550 5050 1 0 0 -1 $EndComp Wire Wire Line 4350 5350 4250 5350 Wire Wire Line 4250 5350 4250 5250 Wire Wire Line 4250 5250 4350 5250 Wire Wire Line 4250 5250 4250 5150 Wire Wire Line 4250 5150 4350 5150 Connection ~ 4250 5250 Wire Wire Line 4250 5150 4250 5050 Wire Wire Line 4250 5050 4350 5050 Connection ~ 4250 5150 Wire Wire Line 4250 5050 4250 4950 Wire Wire Line 4250 4950 4350 4950 Connection ~ 4250 5050 Wire Wire Line 4250 4950 3550 4950 Wire Wire Line 3550 4950 3550 5050 Connection ~ 4250 4950 $Comp L Device:C_Small C1 U 1 1 61642D05 P 3650 4350 F 0 "C1" H 3742 4396 50 0000 L CNN F 1 "10uF" H 3742 4305 50 0000 L CNN F 2 "Capacitor_SMD:C_0805_2012Metric" H 3650 4350 50 0001 C CNN F 3 "~" H 3650 4350 50 0001 C CNN 1 3650 4350 1 0 0 -1 $EndComp $Comp L power:+5V #PWR0105 U 1 1 61644BA4 P 3650 3950 F 0 "#PWR0105" H 3650 3800 50 0001 C CNN F 1 "+5V" H 3665 4123 50 0000 C CNN F 2 "" H 3650 3950 50 0001 C CNN F 3 "" H 3650 3950 50 0001 C CNN 1 3650 3950 1 0 0 -1 $EndComp Wire Wire Line 3650 4450 3650 4650 Wire Wire Line 3650 4650 4350 4650 Wire Wire Line 6950 5750 7100 5750 Wire Wire Line 6950 5650 7100 5650 Wire Wire Line 6950 5550 7100 5550 $Comp L power:+5V #PWR0106 U 1 1 6164F8D6 P 5700 900 F 0 "#PWR0106" H 5700 750 50 0001 C CNN F 1 "+5V" H 5715 1073 50 0000 C CNN F 2 "" H 5700 900 50 0001 C CNN F 3 "" H 5700 900 50 0001 C CNN 1 5700 900 1 0 0 -1 $EndComp Wire Wire Line 5700 900 5700 1100 Wire Wire Line 5800 1100 5800 900 Wire Wire Line 5800 900 6150 900 Wire Wire Line 6150 900 6150 1000 $Comp L power:GND #PWR0107 U 1 1 61651F01 P 6150 1000 F 0 "#PWR0107" H 6150 750 50 0001 C CNN F 1 "GND" H 6155 827 50 0000 C CNN F 2 "" H 6150 1000 50 0001 C CNN F 3 "" H 6150 1000 50 0001 C CNN 1 6150 1000 1 0 0 -1 $EndComp $Comp L sm6uax:2716 U1 U 1 1 616BFEEC P 8600 4350 F 0 "U1" H 8350 5400 50 0000 C CNN F 1 "2716" H 8750 5400 50 0000 C CNN F 2 "Package_DIP:DIP-24_W15.24mm" H 8600 4350 50 0001 C CNN F 3 "https://www.futurlec.com/Memory/2716.shtml" H 8600 4350 50 0001 C CNN 1 8600 4350 1 0 0 -1 $EndComp Wire Wire Line 6950 3550 8200 3550 Wire Wire Line 6950 3650 8200 3650 Wire Wire Line 6950 3750 8200 3750 Wire Wire Line 8200 3850 6950 3850 Wire Wire Line 6950 3950 8200 3950 Wire Wire Line 6950 4050 8200 4050 Wire Wire Line 6950 4150 8200 4150 Wire Wire Line 6950 4250 8200 4250 Wire Wire Line 8200 4350 6950 4350 Wire Wire Line 6950 4450 8200 4450 Wire Wire Line 6950 4550 8200 4550 $Comp L power:GND #PWR0108 U 1 1 616CCDA1 P 8050 5550 F 0 "#PWR0108" H 8050 5300 50 0001 C CNN F 1 "GND" H 8055 5377 50 0000 C CNN F 2 "" H 8050 5550 50 0001 C CNN F 3 "" H 8050 5550 50 0001 C CNN 1 8050 5550 1 0 0 -1 $EndComp Wire Wire Line 8050 5050 8200 5050 Wire Wire Line 8050 5050 8050 5150 Connection ~ 8050 5150 Wire Wire Line 8050 5150 8050 5500 Wire Wire Line 8050 5500 8600 5500 Wire Wire Line 8600 5500 8600 5450 Connection ~ 8050 5500 Wire Wire Line 8050 5500 8050 5550 Wire Wire Line 8050 5150 8200 5150 Text Label 9100 3550 0 50 ~ 0 D0 Text Label 9100 3650 0 50 ~ 0 D1 Text Label 9100 3750 0 50 ~ 0 D2 Text Label 9100 3850 0 50 ~ 0 D3 Text Label 9100 3950 0 50 ~ 0 D4 Text Label 9100 4050 0 50 ~ 0 D5 Text Label 9100 4150 0 50 ~ 0 D6 Text Label 9100 4250 0 50 ~ 0 D7 Text Label 7050 3450 0 50 ~ 0 D7 Text Label 7050 3350 0 50 ~ 0 D6 Text Label 7050 3250 0 50 ~ 0 D5 Text Label 7050 3150 0 50 ~ 0 D4 Text Label 7050 3050 0 50 ~ 0 D3 Text Label 7050 2750 0 50 ~ 0 D2 Text Label 7050 2850 0 50 ~ 0 D1 Text Label 7050 2950 0 50 ~ 0 D0 Wire Wire Line 7050 2750 6950 2750 Wire Wire Line 6950 2850 7050 2850 Wire Wire Line 7050 2950 6950 2950 Wire Wire Line 6950 3050 7050 3050 Wire Wire Line 7050 3150 6950 3150 Wire Wire Line 6950 3250 7050 3250 Wire Wire Line 7050 3350 6950 3350 Wire Wire Line 6950 3450 7050 3450 Wire Wire Line 9000 3550 9100 3550 Wire Wire Line 9100 3650 9000 3650 Wire Wire Line 9000 3750 9100 3750 Wire Wire Line 9100 3850 9000 3850 Wire Wire Line 9000 3950 9100 3950 Wire Wire Line 9100 4050 9000 4050 Wire Wire Line 9000 4150 9100 4150 Wire Wire Line 9100 4250 9000 4250 $Comp L power:+5V #PWR0109 U 1 1 617CBE5F P 10650 3300 F 0 "#PWR0109" H 10650 3150 50 0001 C CNN F 1 "+5V" H 10665 3473 50 0000 C CNN F 2 "" H 10650 3300 50 0001 C CNN F 3 "" H 10650 3300 50 0001 C CNN 1 10650 3300 1 0 0 -1 $EndComp $Comp L Transistor_FET:AO3401A Q1 U 1 1 617D9CCD P 10550 3600 F 0 "Q1" H 10755 3646 50 0000 L CNN F 1 "AO3401A" H 10755 3555 50 0000 L CNN F 2 "Package_TO_SOT_SMD:SOT-23" H 10750 3525 50 0001 L CIN F 3 "http://www.aosmd.com/pdfs/datasheet/AO3401A.pdf" H 10550 3600 50 0001 L CNN 1 10550 3600 1 0 0 -1 $EndComp Wire Wire Line 10650 3300 10650 3400 $Comp L Device:R_Small R1 U 1 1 617E0899 P 10100 3400 F 0 "R1" H 10159 3446 50 0000 L CNN F 1 "10k" H 10159 3355 50 0000 L CNN F 2 "Resistor_SMD:R_0402_1005Metric" H 10100 3400 50 0001 C CNN F 3 "~" H 10100 3400 50 0001 C CNN 1 10100 3400 1 0 0 -1 $EndComp $Comp L power:+5V #PWR0110 U 1 1 617EBD2F P 10100 3200 F 0 "#PWR0110" H 10100 3050 50 0001 C CNN F 1 "+5V" H 10115 3373 50 0000 C CNN F 2 "" H 10100 3200 50 0001 C CNN F 3 "" H 10100 3200 50 0001 C CNN 1 10100 3200 1 0 0 -1 $EndComp Wire Wire Line 10100 3200 10100 3300 Wire Wire Line 10100 3500 10100 3600 Wire Wire Line 10100 3600 10350 3600 Text Label 10650 3900 0 50 ~ 0 PWR_EPROM Wire Wire Line 10650 3800 10650 3900 Text Label 8650 3200 0 50 ~ 0 PWR_EPROM Wire Wire Line 8600 3350 8600 3200 Wire Wire Line 8600 3200 8650 3200 Text Label 8050 4950 2 50 ~ 0 PWR_EPROM Wire Wire Line 8050 4950 8200 4950 Text Label 10100 3600 2 50 ~ 0 SW_EPROM Text Label 7050 2650 0 50 ~ 0 SW_EPROM Wire Wire Line 6950 2650 7050 2650 Text Label 10100 2300 0 50 ~ 0 PWR_EPROM Wire Wire Line 10100 2300 10100 2350 $Comp L power:GND #PWR0111 U 1 1 61800C83 P 10100 2600 F 0 "#PWR0111" H 10100 2350 50 0001 C CNN F 1 "GND" H 10105 2427 50 0000 C CNN F 2 "" H 10100 2600 50 0001 C CNN F 3 "" H 10100 2600 50 0001 C CNN 1 10100 2600 1 0 0 -1 $EndComp Wire Wire Line 10100 2550 10100 2600 NoConn ~ 5400 1100 NoConn ~ 5500 1100 NoConn ~ 5600 1100 NoConn ~ 5900 1100 NoConn ~ 6950 1550 NoConn ~ 6950 1650 NoConn ~ 6950 1750 NoConn ~ 6950 1850 NoConn ~ 6950 1950 NoConn ~ 6950 2050 NoConn ~ 6950 2150 NoConn ~ 6950 2250 NoConn ~ 6950 2450 NoConn ~ 6950 2550 NoConn ~ 6950 4650 NoConn ~ 6950 4750 NoConn ~ 6950 4850 NoConn ~ 6950 4950 NoConn ~ 6950 5050 NoConn ~ 6950 5150 NoConn ~ 6950 5250 NoConn ~ 6950 5350 NoConn ~ 6950 5450 NoConn ~ 6950 5850 NoConn ~ 4350 5850 NoConn ~ 4350 5450 NoConn ~ 4350 4750 NoConn ~ 4350 4450 NoConn ~ 4350 4350 NoConn ~ 4350 4250 NoConn ~ 4350 4150 NoConn ~ 4350 4050 NoConn ~ 4350 3950 NoConn ~ 4350 3850 NoConn ~ 4350 2850 NoConn ~ 4350 2950 NoConn ~ 4350 3050 NoConn ~ 4350 3150 NoConn ~ 4350 3250 NoConn ~ 4350 3350 NoConn ~ 4350 3450 NoConn ~ 4350 3550 NoConn ~ 4350 3650 NoConn ~ 4350 3750 NoConn ~ 4350 2650 NoConn ~ 4350 2550 NoConn ~ 4350 2450 NoConn ~ 4350 2350 NoConn ~ 4350 2250 NoConn ~ 4350 2150 NoConn ~ 4350 2050 NoConn ~ 4350 1950 NoConn ~ 4350 1850 NoConn ~ 4350 1750 NoConn ~ 4350 1650 NoConn ~ 4350 1550 $Comp L Device:C_Small C2 U 1 1 617FCAF1 P 10100 2450 F 0 "C2" H 10192 2496 50 0000 L CNN F 1 "100nF" H 10192 2405 50 0000 L CNN F 2 "Capacitor_SMD:C_0603_1608Metric" H 10100 2450 50 0001 C CNN F 3 "~" H 10100 2450 50 0001 C CNN 1 10100 2450 1 0 0 -1 $EndComp $Comp L Connector:Conn_01x02_Male J2 U 1 1 619A0B98 P 3300 4000 F 0 "J2" H 3408 4181 50 0000 C CNN F 1 "Conn_01x02_Male" H 2900 3950 50 0000 C CNN F 2 "Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical" H 3300 4000 50 0001 C CNN F 3 "~" H 3300 4000 50 0001 C CNN 1 3300 4000 1 0 0 -1 $EndComp Wire Wire Line 3500 4000 3650 4000 Wire Wire Line 3650 4000 3650 3950 Wire Wire Line 3500 4100 3650 4100 Wire Wire Line 3650 4100 3650 4250 $EndSCHEMATC