The MagPi - Issue 27
Adafruit · 2643
2643Welcome to issue 27 of The MagPi. The premier Raspberry Pi magazine for beginners, experts, Pi-fanatics and the merely Pi-curious.
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Adafruit Perma-Proto Half-sized Breadboard PCB - Single visual preview
5mm LED Pack (50 PCS) visual preview
Premium Female/Female Jumper Wires - 40 x 6 visual preview
Premium Female/Male 'Extension' Jumper Wires - 40 x 6 (150mm) visual previewWorkbench essentials
Sort prototyping boards, jumper leads, LEDs, controller boards, drivers, sensors, RTC modules and storage breakouts by job before treating them as substitutes.
Components · Other components · 12 parts
Adafruit 4-channel I2C-safe Bi-directional Logic Level Converter visual preview
8-channel Bi-directional Logic Level Converter visual preview
74LVC245 - Breadboard Friendly 8-bit Logic Level Shifter visual preview
74AHCT125 - Quad Level-Shifter (3V to 5V) visual previewLevel shifters
Pick level shifters by bus behavior: I2C/open-drain, auto-direction push-pull, direction-controlled buffers, or 3 V to 5 V logic. They are not universal adapters.
Components · Logic Level Converters · 21 parts
RGB backlight positive LCD 16x2 visual preview
SparkFun 16x2 SerLCD - RGB Backlight (Qwiic) visual preview
I2C 20x4 Arduino LCD Display Module visual preview
Gravity: I2C 16x2 Arduino LCD with RGB Backlight Display V2.0 visual previewDisplays
Character LCDs, SPI TFTs, e-paper modules and larger capacitive-touch TFT panels solve different display jobs. Treat display class, interface, controller, resolution, touch, refresh behaviour, storage, voltage and mounting as separate swap checks.
Displays · TFT & LCD displays · 25 parts
MQ-2 Gas Sensor visual preview
MQ-3 Gas Sensor visual preview
MQ-135 Gas Sensor visual preview
Grove - Air quality sensor visual previewAir quality
Choose between MQ gas sensors, VOC/eCO2 indoor-air sensors, true CO2 modules and particulate sensors without treating every air-quality breakout as the same detector.
Sensors · Gas & air-quality sensors · 28 parts