540 & OCTOBER 2025

£10.95 | €13.- (DE) | €14.90 (other EU countries) | $13.95 Transceiver Board +5V VCC Communication R5 R7 * see text K2 FC68125 100Ω 1k NC* K3 FC68125 R4 C1 R9 R10 R11 100Ω R6 1k 1k 1k VCC Navigating Wireless Protocols R2 R3 Wi-Fi, Bluetooth, LoRa, 1 GP0 USB VBUS 40 R8 10k 10k 2 GP1 VSYS 39 3 38 VCC 10k ZigBee, ESP-NOW, and More GND LED GND 37 4 OLED 5 GP3 3V3_OUT 36 S1 SDA 1 6 GP4 ADC_VREF 35 34 SCL 2 7 GP5 BOOTSEL GP28 VCC 3 8 GND GND 33 GND 4 9 GP6 MOD1 GP27 32 VCC K1 GP7 GP26 Point-to-Point Point-to-Multipoint 11 GP8 RUN 30 Network Network 14 GP10 GP21 27 10n 25 Inductive AM Transmitter16 GP12 Raspberry GP19 17 GP13 Pi Pico GP18 24 22 Uses Pico’s PIO in 19 GP14 GP17 20 GP15 GP16 21 SWCLK GND SWDIO G 5 Star Network Mesh Network an Arduino Sketch 250292-001 Satellite Tracking Using LoRa 4G-Compatible SMS Phone-Controlled Model Car The TinyGS Network Bringing Space Remote Control Wi-Fi +

£10.95 | €13.- (DE) | €14.90 (other EU countries) | $13.95 540 SEPTEMBERELEKTORMAGAZINE.COM& OCTOBER 2025 * * SINCE 1961 DIGITAL WIRELESS AUDIO With Our ESP32 Transceiver Board FOCUS ON Wireless & +5V VCC Communication R5 R7 * see text R1 K2 FC68125 100Ω 1k NC* K3 FC68125 R4 C1 R9 R10 R11 100Ω R6 1k 1k 1k 22µ C2 C3 16V 1k 10n 150p VCC Navigating Wireless Protocols +5V VCC R2 R3 Wi-Fi, Bluetooth, LoRa, 1 GP0 USB VBUS 40 R8 10k 10k 2 GP1 VSYS 39 3 38 VCC 10k ZigBee, ESP-NOW, and More GND LED GND 37 4 GP2 3V3_EN OLED 5 GP3 3V3_OUT 36 S1 SDA 1 6 GP4 ADC_VREF 35 34 SCL 2 7 GP5 BOOTSEL GP28 VCC 3 8 GND GND 33 GND 4 9 GP6 MOD1 GP27 32 VCC 10 31 K1 GP7 GP26 Point-to-Point Point-to-Multipoint 11 GP8 RUN 30 Network Network 12 29 P1 GP9 GP22 C4 13 28 100k GND GND 14 GP10 GP21 27 10n ANT1 15 26 GP11 GP20 25 Inductive AM Transmitter16 GP12 Raspberry GP19 17 GP13 Pi Pico GP18 24 18 23 GND GND 22 Uses Pico’s PIO in 19 GP14 GP17 20 GP15 GP16 21 SWCLK GND SWDIO G 5 Star Network Mesh Network an Arduino Sketch 250292-001 Satellite Tracking Using LoRa 4G-Compatible SMS Phone-Controlled Model Car The TinyGS Network Bringing Space Remote Control Wi-Fi + ESP32 + Smartphone Data to Earth For Your Smart…