M5Stack Cardputer Adv Version (ESP32-S3)
Card-sized programmable device built on the Stamp-S3A module with an ESP32-S3FN8 core. 56-key keyboard, 1.14 inch ST7789V2 LCD at 240x135, ES8311 audio codec, MEMS microphone rated SNR 65 dB, NS4150B amplifier driving an 8 ohm 1 W speaker, 3.5 mm headphone jack, 1750 mAh battery, microSD slot, HY2.0-4P Grove port and EXT 2.54-14P header, magnetic base and LEGO-compatible mounting holes. 84.0 x 54.0 x 19.6 mm. NO PSRAM is listed on the manufacturer page - do not assume the ESP32-S3 family PSRAM options apply to this SKU.
M5Stack ATOM Voice Smart Speaker Development Kit
Smallest complete voice device in this workbook. ESP32-PICO-D4 dual core at 240 MHz, 4 MB flash, SPM1423 PDM microphone, NS4168 I2S amplifier with a 0.8 W speaker, SK6812 RGB LED, IR transmitter, one button. Polycarbonate enclosure included. 24 x 24 x 17 mm, 5 g. The manufacturer page warns against DC output on the I2S channel and prolonged white-noise or full-scale square-wave playback. NO PSRAM: the ESP32-PICO-D4 in this kit cannot host the documented Espressif speech front-end.
UNO R3 The Most Complete Starter Kit
200+ components, 63 kinds of modules, UNO R3-compatible controller + USB cable, Arduino IDE compatible, compartmentalized case, 30+ PDF lessons
Keyestudio 37 in 1 Sensor Kit for Arduino
37 sensors/modules incl. ultrasonic, Bluetooth, acceleration; connection diagrams + sample code + PDF + video
Sensor Starter Kit-K1 For Arduino
Sensor learning kit with UNO R3 board; tutorials, diagrams, sample code online
Freenove Ultimate Starter Kit (Compatible with Arduino UNO R3)
217 items, 57 projects, 258-page downloadable tutorial, Freenove Board V4 (USB-C, UNO-R3 compatible)
Freenove Complete Starter Kit (Compatible with Arduino UNO R4 WiFi Mini)
343 items, 90 projects, 474-page tutorial, Cortex-M4 + onboard ESP32-S3
Freenove 4WD Car Kit (Arduino IDE compatible)
4WD smart-car kit: chassis + motors + ultrasonic servo mount + line tracking + wireless app control; full code/tutorials at freenove.com/fnk0041; Arduino board not included
Freenove 4WD Car Kit for Raspberry Pi Pico W/H/WH
4WD kit with dot-matrix expression, obstacle/line/light tracking, app control; includes XH-2.54-5pin cable + 3mm cross screwdriver
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