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SF32LB52 Nano 52J + CO5300: Official RT-Thread LVGL v9 demo shows persistent black screen and eventually draw_core timeout
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0
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13
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October 8, 2026
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Under Xiaomi openVela, after adapting EPIC hardware acceleration, the effect is extremely significant!!
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1
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65
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September 4, 2026
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Issue with average 200μA low power consumption in deep mode of sf32lb52-nano_n4
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5
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78
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August 4, 2026
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Can the DAC of LB563 directly drive headphones? Are there any compatible or recommended headphone amplifier chips?
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1
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73
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July 15, 2026
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Questions about BT Bluetooth message distribution, please help clarify
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4
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127
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June 17, 2026
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Hope to add CST826 driver
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0
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67
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June 14, 2026
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Speed reduction issue of hardware I2C in sf32l52 series
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3
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107
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June 12, 2026
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Can the efuse shielding of 525 be hardware interpreted after reading?
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0
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53
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June 3, 2026
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SF32LB52UC6: Transition voltage from trickle to constant current and startup voltage issue
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1
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71
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June 2, 2026
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Is a 32.768k crystal necessary?
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1
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80
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May 29, 2026
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How to connect the USB interface when its VDDIO4 is 1.8V?
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1
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63
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May 29, 2026
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Experts, the EPD-Reader project open-sourced by sf on GitHub bricks the board directly after compiling and flashing.
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4
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103
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May 28, 2026
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Please confirm if the power connection is correct?
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1
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50
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May 28, 2026
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What is the function of the SWD interface on the PA28\31?
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1
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68
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May 28, 2026
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Issue with automatic download circuit
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0
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49
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May 27, 2026
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How to use Siche Technology's compilation tools to compile a lib package? I have an algorithm module that needs to be packaged into a lib, but the official examples don't include making a lib package.
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4
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122
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May 22, 2026
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Chip Schematic and Documentation Issues
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1
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173
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May 20, 2026
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How to partition part of Huangshanpai NOR16M storage as data storage?
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0
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60
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May 18, 2026
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Is it normal that a DAC chip cannot be used due to what appears to be a specific clock limitation in SF32LB52? In drv_i2s_audio.c, the clock divider is set to 8, and the expected I2S clock is noted as 6.144 MHz, but the printed actual frequency is only 1.024 MHz. Is this correct?
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4
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132
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May 9, 2026
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1. Initialization failed; the device does not display a device number nor produce sound. Want to try burning a different version, but 2. the second burn also failed
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1
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66
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April 30, 2026
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audprc history in the main branch fails to run properly after flashing
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2
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111
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April 11, 2026
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SF32LB525UC6 download failed
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22
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216
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March 23, 2026
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Low Power Consumption Doubt Issue
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6
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214
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March 19, 2026
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52 flash_burning issues
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3
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128
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March 10, 2026
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Want to define variables in PSRAM via linker script; compilation succeeds but flashing fails
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4
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89
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March 10, 2026
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sf32lb52 module welding issue
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2
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94
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February 12, 2026
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Bluetooth initialization failed, can anyone help check where the problem might be?
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5
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123
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February 12, 2026
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sf32lb52-mod-1 a128r16 initial burn failed
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2
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118
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February 8, 2026
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Can SF32LB52B use SDIO to drive a TF card?
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7
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157
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January 17, 2026
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Can 52D support dual A2DP and dual AG?
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7
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132
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January 16, 2026
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