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Is it hot in here?

The Engineering Edge Podcast - Keeping Bees Buzzing, looked at hive monitoring, now follow this project which uses a thermistor to gauge the temperature and in response, start a voice message, turn a fan on or off, and tweet about it.

Parts list

Qty Product Part number
1 OKdo Raspberry Pi 4 Basic Kit (UK) 4 GB 200-7274
1 Microchip MCP3008-I/P, 10-bit Serial ADC Pseudo Differential, Single Ended Input, 16-Pin PDIP 669-6064
1 Thingatron (
1 RS PRO Desk Fan 100mm blade diameter 1 speed 5 V dc with plug: USB 135-8869
1 Mini travel speaker (
1 Breadboard Prototyping Board 80 x 60 x 10mm 102-9147
1 MIKROE-512, 10 piece Breadboard Jumper Wire Kit 791-6454
1 NTC THERMISTOR 10K 3% 538-0654
1 RS PRO 10kΩ Carbon Film Resistor 0.25W ±5% 707-7745
I am an inventor, engineer, writer and presenter. Other stuff: Royal Academy of Engineering Visiting Professor of Engineering: Creativity and Communication at Brunel University London; Fellow of the Institution of Mechanical Engineers and have a PhD in bubbles; Judge on BBC Robot Wars.

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