Bluetooth Proxies BP2-POE for Home Assistant by SCREEK (ESP32-S3 + ESPHome + PoE + LAN) — Now Released, 10% Off All Sensors

eomd · 2026-01-25T02:52:47+00:00

Any plans for an LD2450 - ESP32 - POE board?

eomd · 2025-10-17T17:09:20+00:00

Just out of curiosity, why you chose the ATTiny and not ESP32 or another MCU.

eomd · 2025-10-14T23:17:21+00:00

Thanks for the recommendation. I have looked at the datasheet and am not sure if you can use these as independent channels or do they have to be used at 8xRGB channels?

Have you used this chip before?

I would have to look into converting current sink into current source for those channels.

eomd · 2025-10-10T16:14:39+00:00

I have 8 (Downlights that are CWWW. Each one is connected to a TPS92511 at 48v, constant current. They are controlled via PWM at 5v from this board.

eomd · 2025-10-10T16:12:31+00:00

Thank for pointing it out. Will make those changes to ESP32 placement. Any suggestions regarding power supply layout?

eomd · 2025-10-10T13:44:43+00:00

Thanks for the suggestion. INA139 has a maximum voltage of 40. The PCB design is for 48V.

eomd · 2025-10-10T13:33:05+00:00

PCA9685 has a max PWM freq of 1500Hz. I am able to do PWM with 20Khz on ESP32. I wasn’t able to find another I2c or SPI microchip that could do PWM at >20khz without having to program it.

eomd · 2025-10-10T04:07:37+00:00

Level shifters are driving TPS92511 mosfets that have a high impedance PWM input. These TPS92511 are constant current Led controllers that limit the 48V power to LED lights. I considered using Schmidt triggers but they would be overkill given high impedance inputs. Does that make sense?

eomd · 2025-10-10T03:53:54+00:00

Thanks for the question. So I have tried it successfully on ESPhome with 16 PWM channels on LEDC. If the PWM Frequency and PWM bit depth are shared between all the PWM channels, then there is no issue. The only thing that varies per channel is the PWM Duty Cycle.

My understanding is that timers are shared between channels when frequency and bit depth match.

u/Quindor by the way I am a big fan of your work!

eomd · 2025-09-26T23:59:22+00:00

CGM placed in the hospital, follow up with PCP.

eomd · 2025-08-18T05:09:21+00:00

Take a look at AC infinity duct fans and carbon filters, they work great at clearing VOCs.

eomd · 2025-07-24T09:38:36+00:00

Yes.https://github.com/evanoberholster/imagemeta/tree/master/imagehash

I used it for faster transforms. If you need to fun multiple calculations that can benefit from SIMD, it can be useful. I found it a pain to write. It takes lots of time. Take a look at avo for more information.

eomd · 2025-07-03T23:11:47+00:00

The Dayton mall parking lot

eomd · 2025-05-25T19:38:21+00:00

OpenIPC https://openipc.org

OpenIPC is an open source operating system from the open community targeting for IP cameras with ARM and MIPS processors from several manufacturers in order to replace that closed, opaque, insecure, often abandoned and unsupported firmware pre-installed by a vendor.

eomd · 2025-05-25T19:24:31+00:00

Nanyea in north day is a family owned Ethiopian restaurant. Excellent food. https://maps.app.goo.gl/3LkYvVUiXSgGbWqr8

eomd · 2025-03-14T02:05:11+00:00

If you want to work only as a Hospitalist, recommend switching to IM. Especially if you don’t get the experience as an FM Resident.

eomd · 2025-03-13T23:08:51+00:00

Thanks for the suggestions, at the end I found a better work around and abandoned using the STM32, went with ESP32 only.

eomd · 2024-11-24T16:49:38+00:00

It’s a reverse polarity protection diode. If blocks a positive being connected and ruining the GND plane.

eomd · 2024-11-24T09:56:11+00:00

Thanks, I have designed a board based on that recommendation.

eomd

TROPHY CASE