Yanıtlanan Sensors on campus lamp posts with no wiring, can we power them wirelessly?

OK so batteries. Does Hermetry City handle that or do I need something else?

2 hafta 4 gün önce

Yanıtlanan Eight meters on 30 m of RS-485 at 9600 baud: do I need termination, or is it something else?

Does cable length really matter at only 9600 baud?

1 ay önce

Yanıtlanan Night-time bed-exit alert for a care home: which sensor, and how do I only alert between 22:00 and 06:00?

How do the night staff work, one person on a fixed station or walking around? That changes what kind of alert makes sense.

1 ay 1 hafta önce

Yanıtlanan Pi geçidinde 9 bitlik çok noktalı (multidrop) veri yolu okumak: UART bunu gerçekten yapabiliyor mu?

What's the 9th bit for exactly? I've only ever seen 8N1.

1 ay 1 hafta önce

Yanıtlanan Pi'mizde Python ile son değerler uç noktasına yapılan çağrı iki dakika takılıyor

Had exactly this at one of our properties after the ISP turned IPv6 on. The Pi gets an IPv6 address, tries it first, the…

1 ay 2 hafta önce

Yanıtlanan SX1276 in FSK mode: what AFC, AGC, RSSI and FEI do, and why my links fail on cold mornings

Is this the same radio as LoRa? I thought the RFM95 was LoRa only.

1 ay 2 hafta önce

Yanıtlanan LoRaWAN neden mesh değil? Çelik bir deponun arkasındaki dört sensör hiç bağlanamıyor

Can't you just put the antenna higher?

1 ay 3 hafta önce

Yanıtlanan Uno as an I2C slave sending floats to a Mega and taking commands back: values come out garbled

Maybe you need pull-up resistors on SDA and SCL? I read I2C needs them.

1 ay 3 hafta önce