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STD TacoChicken -DC- RS485/RS232

License: GPL 3.0

Mode: Editors' pick

Cloned from TacoChickenRev1-DC - Non Integrated

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Update time: 2024-03-20 18:09:41
Creation time: 2023-07-13 15:53:25
Description

**What is it?**

Taco Chicken is a multi-purpose, broad spectrum "controller" based on an ESP32 MCU. Taco Chicken was designed for small scale automation of DC powered devices. With 2 motor controllers, 4 MOSFET Outputs capable of 10A/ea and multiple input choices Taco Chicken can fit almost any need.

**Why did you make it?**

After spending time with different dev boards, relay modules and similar products I wanted to have an integrated, all in one solution that allowed me to easily automate different machines and devices with a single control board. I could not find anything on the market that met my needs so I made my own.

**What makes it special?**

Aside from its compact form factor (100x100mm), Taco Chicken has the following features:

- High input voltage range (7-30VDC)

- 4 x High current output capacity (10A per MOSFET channel, 3.6A per motor driver and can be combined for over driving motors up to 7A. Each Output has it's own LED indicator for easy testing/troubleshooting/user notification.

- 2 x DRV8870 Motor Drivers (3.6A per motor driver or combined for motors up to 7A, can also be paired to drive a single stepper motor).

- 4 Analog Inputs with RC filter (0805 components for easy hand soldering to change filter values if needed).

- I2C broken out to screw terminal connectors as well as a JST-XH connector with selectable VCC (3v3 or 5V), can also be used as generic GPIO pins.

- 2 Digital Inputs with hardware de-bouncing for limit switches, buttons, etc.

- 1 Digital Input with 4.7k pullup resistor for plug and play compatibility with Dallas One-Wire sensors (DS18B20 for example).

- CH340 USB-UART converter for easy programming without needing a programmer.

- All External Connectors use 5mm Pluggable Terminal Block style connectors. Pluggable end not included.

Design Drawing
schematic diagram
1 /
PCB
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ID Name Designator Footprint Quantity Manufacturer Part Manufacturer Supplier SMT Type JLCPCB Part Class
1 10uF C2,C34,C1,C20 C0805 4 CL21A106KAYNNNE SAMSUNG LCSC C15850 CL21A106KAYNNNE
2 100nF C4,C5,C22,C24,C30,C31,C35,C17,C25,C26,C27,C28,C33,C36,C37,C46 C0603 16 CC0603KRX7R9BB104 YAGEO LCSC C14663 CC0603KRX7R9BB104
3 100nF C9,C10,C38,C39,C15,C19,C21,C23 C0805 8 CC0805KRX7R9BB104 YAGEO LCSC C49678 CC0805KRX7R9BB104
4 10nF C32,C18 C0402 2 CL05B103KB5NNNC SAMSUNG LCSC C15195 CL05B103KB5NNNC
5 1uF C40,C41,C42,C43,C12,C29 C0603 6 CL10A105KB8NNNC SAMSUNG LCSC C15849 CL10A105KB8NNNC
6 XY115A-5.0-2P CN1,CN2,CN3,CN4 CONN-TH_XY115A-5.0-2P 4 XY115A-5.0-2P XINLAIYA(新莱亚) LCSC C784935 XY115A-5.0-2P
7 KF236-5.0-4P CN5 CONN-TH_KF236-5.0-4P 1 KF236-5.0-4P KEFA(科发) LCSC C976598 KF236-5.0-4P
8 SS34_C8678 D1,D7,D8 DO-214AC_L4.3-W2.7-LS5.3-RD 3 SS34 MDD LCSC C8678 SS34_C8678
9 SM4007PL D2,D3,D4,D5 SOD-123F_L2.8-W1.8-LS3.7-RD 4 SM4007PL MDD LCSC C64898 SM4007PL
10 PSM712-LF-T7 D6 SOT-23-3_L3.0-W1.7-P0.95-LS2.9-BR 1 PSM712-LF-T7 PROTEK LCSC C32677 PSM712-LF-T7
11 100Ω L3 L0805 1 GZ2012D101TF Sunlord LCSC C1015 GZ2012D101TF
12 0805G (Green) LED1,LED2,LED3,LED5 LED0805-RD_GREEN 4 0805G (Green) KENTO LCSC C2297 0805G (Green)
13 17-21SUYC/TR8 LED4 LED0805-RD 1 17-21SUYC/TR8 KENTO LCSC C2296 17-21SUYC/TR8
14 WLEDSMD LED6 LED0805-FD 1 whiteLEDSMD KENTO LCSC C34499 whiteLEDSMD
15 IRLR7843TRPBF Q1,Q2,Q3,Q4 TO-252-2_L6.5-W6.1-P4.58-LS10.0-TR 4 IRLR7843TRPBF IR LCSC C21988 IRLR7843TRPBF
16 1K R1,R2,R32,R33,R44,R45,R19,R21 R0402 8 0402WGF1001TCE UniOhm LCSC C11702 0402WGF1001TCE
17 ESP32-WROOM-32 U1 WIFIM-SMD_ESP-32S 1 ESP32-WROOM-32 Espressif Systems LCSC C82899 ESP32-WROOM-32
18 CH340B U3 SOIC-16_L9.9-W3.9-P1.27-LS6.0-BL 1 CH340B WCH LCSC C81010 CH340B
19 DRV8870DDAR U4,U7 HSOP-8_L5.0-W4.0-P1.27-LS6.2-BL-EP 2 DRV8870DDAR TI LCSC C86590 DRV8870DDAR
20 MCP1402T-E/OT U5,U9,U10,U11 SOT-23-5_L3.0-W1.7-P0.95-LS2.8-BR 4 MCP1402T-E/OT MICROCHIP(美国微芯) LCSC C128573 MCP1402T-E/OT
21 U-D-M5DD-Y-3 USB1 MICRO-USB-TH_U-D-M5DD-Y-3 1 U-D-M5DD-Y-3 Korean Hroparts Elec LCSC C707313 U-D-M5DD-Y-3
22 100uF C3,C13 CAP-SMD_BD8.0-L8.3-W8.3-RD 2 VEJ101M1HTR-0810 Lelon LCSC C176665 VEJ101M1HTR-0810
23 100uF C6,C7,C44,C45 CAP-SMD_L3.5-W2.8 4 TAJB107K006RNJ AVX LCSC C16133 TAJB107K006RNJ
24 22uF C8 C1206 1 CL31A226KAHNNNE SAMSUNG LCSC C12891 CL31A226KAHNNNE
25 220uF C16 CAP-SMD_BD6.3-L6.6-W6.6-RD 1 VES221M1CTR-0607 LELON LCSC C127327 VES221M1CTR-0607
26 DB136HA-10.16-1P-S CN6,CN7 CONN-TH_DIBO_DB136HA-10.16-1P-S 2 DB136HA-10.16-1P-S DIBO(地博电气) LCSC C2909065 DB136HA-10.16-1P-S
27 DMR025PF000XH00 DSUB1 DB25-TH_D-DMR025PF-D002 1 D-DMR025PF-D002 Ckmtw(灿科盟) LCSC C190083 DMR025PF000XH00
28 XF-506P FH1 FUSE-TH_XF-506P 1 XF-506P XFCN LCSC C492610 XF-506P
29 15uH L1 IND-SMD_L7.3-W6.8 1 MWSA0603S-150MT Sunlord LCSC C408452 MWSA0603S-150MT
30 MMBT5551_C2145 Q6,Q7 SOT-23-3_L2.9-W1.3-P1.90-LS2.4-BR 2 MMBT5551 CJ LCSC C2145 MMBT5551_C2145
31 5.1K R3,R25 R0402 2 0402WGF5101TCE UniOhm LCSC C25905 0402WGF5101TCE
32 4.7K R4 R0402 1 0402WGF4701TCE UniOhm LCSC C25900 0402WGF4701TCE
33 120Ω R5 R0603 1 0603WAF1200T5E UNI-ROYAL(厚声) LCSC C22787 0603WAF1200T5E
34 10K R6,R8,R12,R13,R14,R17,R18,R20,R43 R0402 9 0402WGF1002TCE UniOhm LCSC C25744 0402WGF1002TCE
35 1K R7,R9,R10,R11 R0805 4 0805W8F1001T5E UniOhm LCSC C17513 0805W8F1001T5E
36 3.24K R46 R0402 1 0402WGF3241TCE UniOhm LCSC C11457 0402WGF3241TCE
37 TS-1187A-B-A-B SW5,SW6 SW-SMD_4P-L5.1-W5.1-P3.70-LS6.5-TL-2 2 TS-1187A-B-A-B XKB Enterprise LCSC C318884 TS-1187A-B-A-B
38 AMS1117-3.3 U2 SOT-223-3_L6.5-W3.4-P2.30-LS7.0-BR 1 AMS1117-3.3 AMS LCSC C6186 AMS1117-3.3 1476261164
39 SP3485EN-L/TR U6 SOIC-8_L5.0-W4.0-P1.27-LS6.0-BL 1 SP3485EN-L/TR MaxLinear LCSC C8963 SP3485EN-L/TR
40 TPS5430DDAR U8 SOIC-8_L5.0-W4.0-P1.27-LS6.0-BL-EP 1 TPS5430DDAR TI LCSC C9864 TPS5430DDAR
41 SP3232EEY-L/TR U12 TSSOP-16_L5.0-W4.4-P0.65-LS6.4-BL 1 SP3232EEY-L/TR MaxLinear LCSC C13482 SP3232EEY-L/TR

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