MicroPython • Re: RP2350 compatibility with RP2040 micropython code
A classic app note for resistive touch panels or screens is slaa384a.pdf from TI, titled "4-Wire and 8-Wire Resistive Touch-Screen Controller Using the MSP430", and one should be able to find it via a...
View ArticleGeneral discussion • Re: When will the official reference schematic for...
Partial schematics have been released for previous models. Only the first model ever had a full schematic publish and that is no longer available.I don't believe there are any plans to make a Pi 5...
View ArticleGeneral programming discussion • Re: 24 Minute Sun Simulation
The WS2815 are reported to consume 15mA per chip, not depending on how many LED are running. There is also a WS2815B version which reduces current to 13mA. Quiescent current is 2.1mA.The datasheet is...
View ArticleGeneral • Any news on distributors getting the RP2354 ?
I know this is probably going to be "wait, we'll tell you when it happens" but thought I'd ask if there were any more details over and above "around the end of the year"...Statistics: Posted by...
View ArticleAdvanced users • Re: 24/7 repeat hardware failure
I've not had any problem with dying Pis - I've got 6 or 7 of various types that are powered up 24/7. That includes a Pi 1 which has been powered up and never rebooted for around 9 years. The others...
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Automation, sensing and robotics • Re: Circuit Feedback: Rasbery PI + mosfet...
I meant a schematic with the separate 5V supply. I was hoping to observe how/where you connect the negative of the separate PSU. Is it going to be similar to what I have in the schematic?Also, If you...
View ArticleInterfacing (DSI, CSI, I2C, etc.) • Re: GPIO pin (GND to be specific) current...
Question: how does the current split so that only what is can be sinked by the GPIO enters the GND pin and the rest enters the negative of the power supply?Current flows in loops ("circuit"). The...
View ArticleBeginners • 32 or 64 bit
Hi, is there a good reason NOT to install the 64 bit version of Pi OS in a Pi5??I'm running the 32 bit version on all my Pis at the moment.MartinStatistics: Posted by Windcheetah — Sun Aug 25, 2024...
View ArticleBeginners • Re: 32 or 64 bit
Hi, is there a good reason NOT to install the 64 bit version of Pi OS in a Pi5??Only if you require any software which is not available in a 64bit package.64bit software may use slightly more memory,...
View ArticleJava • Re: How do I install Java JDK 21
If we are running headless, we use curl, no browser/monitor needed:Login via SSH, then:Code: curl -O https://download.bell-sw.com/java/22.0.2+11/bellsoft-jdk22.0.2+11-linux-aarch64.debThis will get...
View ArticleSDK • SPI Slave with DMA
Hi, I'm trying to implement a SPI Slave with DMA in a RP2040 to receive 16 bytes at 1MHz from a SPI Master.The Master clears CSN before the transfer and sets it at the end. I cannot change the...
View ArticleAutomation, sensing and robotics • Re: Automatic Bat detector.
Hi Steve,You do know you can get Kaleidoscope light, from wildlife acoustics, free, both Linux & windows which let's you look at and listen to the recordings, there are several listening options,...
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SDK • Re: SPI Slave with DMA
Looks like I forgotspi_set_format(spi_default, 8, SPI_CPOL_1, SPI_CPHA_1, SPI_MSB_FIRST);for continuous mode. It's working now Statistics: Posted by romain145 — Sun Aug 25, 2024 8:15 pm
View ArticleTroubleshooting • Re: Network Manager Pi Access Point not working
Error in logs after creating Ap and attempting to connect to it.Code: 4616266.5907] device (wlan1): Activation: (wifi) Stage 2 of 5 (Device Configure) successful. Started Wi-Fi Hotspot...
View ArticleHATs and other add-ons • Relay Induced Noise
Hi,I am working on a little project to control some relays using an RPI. I am using PiRelay V2 (https://thepihut.com/products/pirelay-r ... spberry-pi) for the relays. The load I am handling is 9.2V...
View ArticleCamera board • Re: Hyper-Hemispherical Lens Request
The GS and HQ cameras come with a standard C-mount lens mount, and the HQ can also come with an M12 mount. That gives you the choice of almost any lens you fancy. There's no requirement for the lens...
View ArticleHATs and other add-ons • Re: Relay Induced Noise
Yes, it's across the terminals in reverse polarity.Thank you, this was the issue. It now works (also the relay seems quieter).Statistics: Posted by michda — Mon Aug 26, 2024 7:32 pm
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Beginners • Re: Using an RPi Debug Probe to target/debug an Rpi 3b+ with SWD
Awesome! Thank you fanoush!A few hours after I posted my question I happened to find another post from someone else from a while back that basically asked the same question and someone posted...
View ArticleGeneral • Re: RP2350 PIO DMA performance question
Code: inline uint32_t *address_verification(uint32_t address) {return (uint32_t *) (0x20000000 + (address & (uint32_t) 0x7FFFF));}void function() {while (true) {if (!pio_sm_is_rx_fifo_empty(pio0,...
View ArticleGeneral • Re: RP2350 Errata E9 - Pull-down lock-up
And more details on RP2350-E9 here...
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