Parts list (does not include mounting hardware)

• bike grip
• (m3 x 25)x2 + nuts. For mounting switches only use top holes
• m5 x 30 + nut. For handle pivot. Raspberry Pi PICO (with Arduino)
• limit switches https://www.amazon.com/12PAack-Action-Button-Microwave-MXRS/dp/B083C113YL/ref=pd_day0fbt_hardlines_thbs_d_sccl_1/131-1981908-9981927?pd_rd_w=7KQDH&content-id=amzn1.sym.06aea998-aa9c-454e-b467-b476407c7977&pf_rd_p=06aea998-aa9c-454e-b467-b476407c7977&pf_rd_r=VDC2ZVMY2T0QMKBCZJT9&pd_rd_wg=zGb5w&pd_rd_r=6db630ea-ac20-4b5d-9421-8de90b51f96b&pd_rd_i=B083C113YL&th=1

code below will work for buttons soldered to GPIO 1,2,3,4,5,6,7,8,9 and for a joystick on GPIO 27 and 28 if you want to repurpose it or add more functions.

#include <PicoGamepad.h>

PicoGamepad gamepad;

// 16 bit integer for holding input values int xVal; int yVal;

void setup() {
Serial.begin(115200);

pinMode(LED_BUILTIN, OUTPUT);

// X Potentiometer on pin 27 pinMode(27, INPUT); // Y Potentiometer on pin 28 pinMode(28, INPUT);

// Buttons on GPIO 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9 pinMode(0, INPUT_PULLUP); pinMode(1, INPUT_PULLUP); pinMode(2, INPUT_PULLUP); pinMode(3, INPUT_PULLUP); pinMode(4, INPUT_PULLUP); pinMode(5, INPUT_PULLUP); pinMode(6, INPUT_PULLUP); // Add GPIO 6 as input with internal pull-up resistor pinMode(7, INPUT_PULLUP); // Add GPIO 7 as input with internal pull-up resistor pinMode(8, INPUT_PULLUP); // Add GPIO 8 as input with internal pull-up resistor pinMode(9, INPUT_PULLUP); // Add GPIO 9 as input with internal pull-up resistor }

void loop() {

// Get input value from Pico analog pin for X axis xVal = analogRead(27); // Map analog 0-1023 value from pin to max HID range -32767 - 32767 xVal = map(xVal, 0, 1023, -32767, 32767); // Send value to HID object gamepad.SetX(xVal);

// Repeat with Y pin for Y axis yVal = analogRead(28); yVal = map(yVal, 0, 1023, -32767, 32767); gamepad.SetY(yVal);

// Set buttons: 0 = GPIO 0, 1 = GPIO 1, 2 = GPIO 2, 3 = GPIO 3, 4 = GPIO 4, 5 = GPIO 5 // 6 = GPIO 6, 7 = GPIO 7, 8 = GPIO 8, 9 = GPIO 9 gamepad.SetButton(0, !digitalRead(0)); gamepad.SetButton(1, !digitalRead(1)); gamepad.SetButton(2, !digitalRead(2)); gamepad.SetButton(3, !digitalRead(3)); gamepad.SetButton(4, !digitalRead(4)); gamepad.SetButton(5, !digitalRead(5)); gamepad.SetButton(6, !digitalRead(6)); // Set button 6 based on GPIO 6 state gamepad.SetButton(7, !digitalRead(7)); // Set button 7 based on GPIO 7 state gamepad.SetButton(8, !digitalRead(8)); // Set button 8 based on GPIO 8 state gamepad.SetButton(9, !digitalRead(9)); // Set button 9 based on GPIO 9 state

// Send all inputs via HID gamepad.send_update();

// Flash the LED just for fun digitalWrite(LED_BUILTIN, !digitalRead(LED_BUILTIN)); delay(100); }