Inside the Siglent SPD3303X Precision Programmable DC Lab Power Supply. http://amzn.to/1m9Knp2 UPDATE: There is an even cheaper version, the SPD3303X-E which has 10mV/10mA resolution. http://amzn.to/1jNsQRL Atten PSU teardown: https://www.youtube.com/watch?v=Ju9Q05y_3V0 Rigol DP832 teardown: https://www.youtube.com/watch?v=s4rV20ulsm0 Forum: http://www.eevblog.com/forum/blog/eevblog-828-siglent-spd3303x-precision-lab-psu-teardown/ ... https://www.youtube.com/watch?v=mdOauVzY9OU

A very detailed look inside the new Siglent SSA3021X 3.2GHz Spectrum Analyser. How does a spectrum analyser front end work? The entire RF section is broken down and analysed in depth with a block diagram overlay and signal flow. Forum: http://www.eevblog.com/forum/blog/eevblog-892-siglent-ssa3021x-spectrum-analyser-teardown/ Keysight AN150 App Note: http://literature.cdn.keysight.com/litweb/pdf/5952-0292.pdf?id=1000000159:epsg:apn Datasheets: http://www.ti.com/product/AM3352 ... https://www.youtube.com/watch?v=-8fr_otW0q4

Replacing my gas tank hot water system with an electric heat pump system to use my excess solar power energy. Before and after measurements and anlysis of the results. 00:00 - Measurements on existing Rheem 175L gas tank hot water system 04:00 - Installation of new Reclaim 415L Heat Pump hot water system 06:39 - Pipe work and tempering valve 09:27 - Temperature Measurements 10:00 - Standby power consumption 10:21 - Anlysis of measurements on whiteboard 15:00 - So the thermal calculations match the measurements? 17:13 - Never believe manufacturer claims! 18:00 - How more efficient is a Heat Pump system vs Gas? Forum: https://www.eevblog.com/forum/blog/eevblog-1514-heat-pump-hot-water-install-analysis/ Support the EEVblog on: Patreon: http://www.patreon.com/eevblog Odysee: https://odysee.com/@eevblog:7 Web Site: http://www.eevblog.com EEVblog2: http://www.youtube.com/EEVblog2 EEVdiscover: https://www.youtube.com/eevdiscover AliExpress Affiliate: http://s.click.aliexpress.com/e/c2LRpe8g Buy anything through that link and Dave gets a commission at no cost to you. Donate With Bitcoin & Other Crypto Currencies! https://www.eevblog.com/crypto-currency/ T-Shirts: http://teespring.com/stores/eevblog #ElectronicsCreators #HeatPump #solar ... https://www.youtube.com/watch?v=k1yjx7cZpxs

More mailbag! 00:00 - Jumperless Breadboard from Architeuthis Flux & WokWi https://www.tindie.com/products/architeuthisflux/jumperless/ https://hackaday.io/project/191238-jumperless/log/222858-getting-started-using-your-jumperless https://wokwi.com/ https://www.digikey.com/en/maker/projects/jumperless/2e62cc88ee6145bc924041dd486de76f https://theamphour.com/599-an-interview-with-uri-shaked-wokwi-com/ 08:42 - Trying the software, it didn't go so well... 21:20 - Automated probe connection function 22:35 - My old IC Tester project 23:32 - 16TB Hard Drive 25:26 - Modius Headband: Induce sickness to loose weight? Lime Forge Ltd Sense See Bike Light : https://seesense.cc/collections/icon3/products/new-see-sense-icon3 29:36 - Assembly Specialists Breadboard https://assemblyspecialist.com/WebStore/breadboards.html 35:11 - Sanwa PS8A Pocket Multimeter https://overseas.sanwa-meter.co.jp/products/digital_multimeters/ps8a.html 45:26 - BENQ IdeaCam S1 Webcam https://www.benq.com/en-au/ideacam/supreme/s1-plus.html Forum: https://www.eevblog.com/forum/blog/eevblog-1608-mailbag/ If you find my videos useful you may consider supporting the EEVblog on Patreon: http://www.patreon.com/eevblog Or with crypto: BTC: 33BsprBQNBtHuVzVwDmqWkpDjYnCouwASM ETH: 0x68114e40ff4dcdd384750500501e20acf3875f8c BCH: 35n9KBPw9T7M3NGzpS3t4nUYEf9HbRmkm4 USDC: 0x68114e40ff4dcdd384750500501e20acf3875f8c LTC: MJfK57ujxy55su4XicVGQc9wcEJf6mAoXF Web Site: http://www.eevblog.com Store: https://eevblog.store/ Other channels: EEVblog2: http://www.youtube.com/EEVblog2 EEVdiscover: https://www.youtube.com/eevdiscover T-Shirts: http://teespring.com/stores/eevblog #ElectronicsCreators ... https://www.youtube.com/watch?v=QQhQ7yXogwo