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scoreboards
Product Standalone AVR ISP Programmer Brand Circuitrocks Category Bench accessory Power supply power adapter or external expansion pin power supply (not support ISP download interface power supply) Pinout & power notes
Bluetooth Handover
good on Windows Board width Narrower — fits standard breadboard with pins on each side Wider — occupies entire breadboard width Driver ease Often auto-installs on macOS & Linux Requires CH340 driver on macOS/Linux ESP module ESP-12E ESP-12E Flash memory 4 MB 4 MB Breadboard use ✅ Leaves one pin row free on each side ❌ Blocks entire breadboard width Best for macOS/Linux users
and teachers who want a guided path into coding
Media Converter HTB-3100 Fiber Optical Single Mode Single Fiber SC Port 20KM External Power Supply 10/100M metal base scoreboardsBidirectional 10 100M adaptive Ethernet fiber optic transceivers, using the latest IC plus 113GH chip, high quality single fiber bidirectional optical transceiver module, stable performance, and excellent quality. For telecommunications, broadcasting, broadband fiber optic network data traffic and the need to improve performance, high reliability network environment. Features: An RJ45 port and a single fiber SC optical port, to achieve optical signal
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