Brightside - for my second version of an esp32 SPUD GUN tank.

2 months ago 127
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  • BOM
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Description

Since somyone really cares about this project, I made it more readable :)

This board contains:

Motor Drivers: Contains two l298n to drive two 550 motors, each chip allows 2A current, and 550 motor uses up to 3A current, that's why I made this special board to drive them. I fit the most common heatsink just onto these chips, CHECK if it fits your heatsink. They are critical.

Servo: Two servo outputs, for my suspension, or your turrets.

Power: Apply 12V to drive motor and 5V to drive mcu & l298n VSS. If you use other voltages, remember to insert into the '12V' socket, even if it is just 5V!!

Relay Module: Contains 2 relays, each with a BC547 transistor, for the weak esp32 io cannot directly drive them. Connected to PIN 22 and 23. I've changed the risisters to fit this 3.3V mcu, using 3.3V logic, the relays are still powered by 5V.

All of the components are DIP, SMT is a little difficult for me, I made a variant using VNH5019, and messed it up..

For this one, I tested, all work great.

I use the relays to control alcohol pump & ptc resister & zvs module.

Would you like to see my arduino code for this? I also made an android app to control my tank, by bluetooth.

The whole project will be uploaded onto youtube before Oct ends, It is a cool one! Soon...I hope

Documents

Sheet_1

PCB_2020-08-23_18-54-34

BOM

ID Name Designator Footprint Quantity
1 IN4148 D9,D10 IN4148 2
2 100nF C1,C3 104CAP 0.1UF 2
3 Rt Servo Socket P11 3X1 SOCKET 1
4 Lt Servo Socket P8 3X1 SOCKET 1
5 10K R7,R5 DIP RESISTER 2
6 1K R4,R1 DIP RESISTER 2
7 IN4007 D1,D2,D3,D4,D5,D6,D7,D8 IN4007 8
8 BC547 Q1,Q2 BC547 2
9 Esp32 U1 ESP32 1
10 Prep M1 SONGLE RELAY 1
11 Ignite M2 SONGLE RELAY 1
12 L298N U2,U3 L298N WITH FIXED PINS 2
13 100uF Cap C2 100UF_CAP 1
14 100uF C4 100UF_CAP 1
15 LED-5mm LED1 LED-5MM 1
16 Indicator LED2 LED-5MM 1
17 Lt Motor Socket P1 2X1 SOCKET 1
18 Rt Motor Socket P2 2X1 SOCKET 1
19 15 Pin dip P6,P7 15PIN DIP 2
20 5V socket P9 15PIN DIP 1
21 GND socket P10 15PIN DIP 1
22 Power P3 4X1 SOCKET 1
23 Prep Socket P4 2X1 SOCKET 1
24 Ignite Socket P5 2X1 SOCKET 1

Attachments

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Members

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