Bastelix-Lab
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Hardware Recommendations

Proven components that I use in my own projects. Tested and approved.
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ESP32 Boards
ESP32-S3 DevKit-C (N16R8)
Allrounder with 16MB flash, BLE 5.0
ESP32-S3 SuperMini
Tiny, USB-C, 8MB flash
ESP32-C3 SuperMini
Small, affordable, WiFi+BLE, deep sleep
ESP32-C6 DevKit (Espressif)
WiFi 6, BLE 5.3, Thread/Zigbee
~12€
Heltec WiFi LoRa 32 V3
ESP32-S3 + SX1262 + OLED, perfect for LoRa/Meshtastic
Sensors
BME280 (Temp/Humi/Druck)
I2C/SPI, precise, low power
~11€
SHT31-D (Temp/Humi)
High precision, I2C, ±2% RH
~10€
TL-136 Drucksensor (0-1m)
Level/water level, 4-20mA, IP68
TL-136 Drucksensor (0-2m)
Level/water level, 4-20mA, IP68
INA3221 (3-Kanal Strom/Spannung)
Shunt monitor, I2C, 3 channels
INA226 (Strom/Spannung)
0-36V, 20A, I2C, high precision
~11€
INA219 (Strom/Spannung)
DC 3-5.5V, I2C, entry level
HX711 + Wägezelle (5/10/20kg)
24-bit ADC, for scale projects
NAU7802 (24-Bit ADC)
High precision load cell ADC, I2C
AliExpress only
MAX31855 K-Type Breakout
Thermocouple amplifier for type-K TC, SPI, up to 1024°C
LoRa & Radio
Heltec HT-RA62 (LoRa)
SX1262 module, ESP32-based
Heltec HT-CT62 (LoRa)
LoRa module, compact, deep sleep
Cubecell AM01 V2 (LoRa)
ASR6502, ultra-low power LoRa node
~14€
PN532 NFC/RFID Modul
I2C/SPI, 13.56MHz, card reader
Displays
GC9A01 Runddisplay 1.28"
240x240 IPS, SPI, for dashboards
SSD1306 OLED 0.96"
128x64, I2C, classic
Waveshare 1.28" Rund-Touch
240x240 IPS + touch, GC9A01 + CST816S
Waveshare 5" Touch Display
Capacitive, 5-point touch, 800x480
2.8" SPI TFT + Touch (ILI9341 + XPT2046)
320x240, SPI, resistive touch, 14-pin
~10€
Accessories
Breadboard + Jumper Kabel Kit
Breadboard + wire set
~10€
Waveshare USB to TTL Konverter
Industrial grade, CH343G, 300-9600000 baud
~16€