Development board is designed like education board – this is Fish32 by AnalogLamb. Board with popular ESP32 WiFi/Bluetooth IC.
You can use a lot of peripheral which are included on board – UART, USB, Ethernet, sensors (accelerometer, gyroscope, …), LoRa module for IoT, microSD card slot and also driver for motor.
The price for board is 50USD
https://www.analoglamb.com/product/esp32-community-education-board-analoglamb-fish32-seed-board/